Improvement in signs for street-lamps



f NITED STATES PATENT @Prion WILLIAM GRAHAM, WILLIAM SNYDER, AND PATRICKOBRIEN, OF PITTSBURG, PENNSYLVANIA.

IMPROVEMENT IN SIGNS FOR STREET-LAMPS.

Specification forming part of Letters Patent No. 121,614, dated December5, 1871.

To all whom t may concern.'

Be it known that we, WlLLIAM GRAHAM, WIL- LIAM SNYDER, and PATRICK'OBRIEN, all of the city of Pittsburg, in the county of All'eghany andState oi' Pennsylvania, have invented anew and Improved Sign forStreet-Lamps, ot which the following is a specification:

Our invention consists in placing the naines of streets on each side ofa small quadrangular frame and attaching said frame to a lamp-postbeneath the lamp, and in such position with relation thereto as that thenaines may be seen by night as wcll as by day.

To niake our invention readily understood we will describe it byreference to the accompanying drawing, in which- Figure i represents aperspective view of our invention applied to a street-lamp; Fig. 2,perspective view of the franie detached and open; Fig. 3, top view ot'frame closed; Fig. 4, transverse section of one of the sides of thetraine.

To put our invention into practice we construct a small quadrangnlarframe, A, each side oi which is perlorated with the name of astreet, asshown in Fig. 1, and backed with glass B, held in place by small clips ee, turned over its edge. This frame is to be jointed at two of itscorners, s s, so held by wire pins as that on the withdrawal of one ofthein the frame A may be opened as shown at Fig. 2. It is also providedwith a centrallydivided clasp, c, so connected to the frame A by radialarnis n a as to open and close with it.

The parts so constructed niay be put to use by opening the tra-lne A andpassin.;I it astride of a lamp-post, T, so that the clasp owill, on theclosin g of the frame, embrace said post at a point just below the lainpR, and in such position with relation thereto as that the artificialligl'it will shine through the glass backing B, and the perforatednaines on the plates or side of the frame A, making them readilydiscernible at night.

IVe claim- The hinged perforated frame A with its glass backing' B,central clasp c, and radial arins a n, inv combination with a lamp-post,T, and its lamp R, in the manner shown, for the purposes hereinbeforeset forth.

' VILLIAM GRAHAM.

NVILLIAM SNYDER. PATRICK OBRIEN. Witnesses:

J osIAH W. ELLs,

THEODORE THOMAS.

